/* ---------------------------------------------
   RESET & BASE STYLES
---------------------------------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Inter", "Segoe UI", Arial, sans-serif;
    background: #f5f7fa;
    color: #333;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Headings */
h1, h2, h3 {
    font-weight: 700;
    color: #003C78;
}

p {
    margin-bottom: 1rem;
}

/* Links */
a {
    color: inherit;
    text-decoration: none;
}

/* ---------------------------------------------
   GLOBAL COLOR SYSTEM
---------------------------------------------- */
:root {
    --blue: #003C78;
    --green: #7AC143;
    --white: #ffffff;
    --gray-light: #e8ecf1;
    --gray-dark: #444;
}

/* ---------------------------------------------
   HEADER
---------------------------------------------- */
.site-header {
    background: var(--blue);
    padding: 1.2rem 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.site-header .logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.5px;
}

/* ---------------------------------------------
   NAVIGATION MENU
---------------------------------------------- */
.site-menu {
    background: var(--blue);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.site-menu ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    padding: 1rem 2rem;
}

.site-menu a {
    color: var(--white);
    font-weight: 500;
    transition: opacity 0.2s ease;
}

.site-menu a:hover {
    opacity: 0.7;
}

@media (max-width: 820px) {
    .site-menu ul {
        flex-direction: column;
        padding: 1rem;
    }
}

/* ---------------------------------------------
   HERO SECTION
---------------------------------------------- */
.hero {
    background: var(--blue);
    color: var(--white);
    padding: 5rem 2rem;
    text-align: center;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: auto;
    margin-bottom: 2rem;
}

.hero .btn {
    background: var(--green);
    color: var(--white);
    padding: 0.9rem 1.8rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    display: inline-block;
    transition: opacity 0.2s ease;
}

.hero .btn:hover {
    opacity: 0.85;
}

/* ---------------------------------------------
   SERVICES SECTION
---------------------------------------------- */
.services {
    max-width: 1200px;
    margin: 3.5rem auto;
    padding: 0 2rem;
    text-align: center;
}

.services h2 {
    margin-bottom: 2rem;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

@media (max-width: 820px) {
    .service-grid {
        grid-template-columns: 1fr;
    }
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.06);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.12);
}

.service-card h3 {
    margin-bottom: 0.8rem;
    color: var(--blue);
}

.service-card p {
    color: #555;
}

/* ---------------------------------------------
   CTA (CALL TO ACTION)
---------------------------------------------- */
.cta-section {
    margin: 4rem 0;
    padding: 3rem 2rem;
    text-align: center;
    background: var(--blue);
    color: var(--white);
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.cta-section .btn {
    background: var(--green);
    color: var(--white);
    padding: 0.9rem 1.7rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: opacity 0.2s;
}

.cta-section .btn:hover {
    opacity: 0.85;
}

/* ---------------------------------------------
   GENERAL LAYOUT
---------------------------------------------- */
.content {
    flex: 1;
    padding: 2rem;
    max-width: 1100px;
    margin: auto;
}

/* ---------------------------------------------
   FOOTER
---------------------------------------------- */
.site-footer {
    background: var(--blue);
    padding: 1.8rem 2rem;
    text-align: center;
    font-size: 0.95rem;
    color: var(--white);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

/* ---------------------------------------------
   BUTTON UTILITY (Global)
---------------------------------------------- */
.btn {
    display: inline-block;
    padding: 0.7rem 1.4rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
}